diff --git a/backend/apps/webui/models/auths.py b/backend/apps/webui/models/auths.py
index 7698359f9..9f6bd59e8 100644
--- a/backend/apps/webui/models/auths.py
+++ b/backend/apps/webui/models/auths.py
@@ -195,6 +195,7 @@ class AuthsTable:
 
                 if result:
                     db.query(Auth).filter_by(id=id).delete()
+                    db.commit()
 
                     return True
                 else:
diff --git a/backend/apps/webui/models/chats.py b/backend/apps/webui/models/chats.py
index 8d2e6b104..ae63999a2 100644
--- a/backend/apps/webui/models/chats.py
+++ b/backend/apps/webui/models/chats.py
@@ -171,6 +171,8 @@ class ChatTable:
             with get_db() as db:
 
                 db.query(Chat).filter_by(user_id=f"shared-{chat_id}").delete()
+                db.commit()
+
                 return True
         except:
             return False
@@ -323,6 +325,7 @@ class ChatTable:
             with get_db() as db:
 
                 db.query(Chat).filter_by(id=id).delete()
+                db.commit()
 
                 return True and self.delete_shared_chat_by_chat_id(id)
         except:
@@ -333,6 +336,7 @@ class ChatTable:
             with get_db() as db:
 
                 db.query(Chat).filter_by(id=id, user_id=user_id).delete()
+                db.commit()
 
                 return True and self.delete_shared_chat_by_chat_id(id)
         except:
@@ -346,6 +350,8 @@ class ChatTable:
                 self.delete_shared_chats_by_user_id(user_id)
 
                 db.query(Chat).filter_by(user_id=user_id).delete()
+                db.commit()
+
                 return True
         except:
             return False
@@ -359,6 +365,7 @@ class ChatTable:
                 shared_chat_ids = [f"shared-{chat.id}" for chat in chats_by_user]
 
                 db.query(Chat).filter(Chat.user_id.in_(shared_chat_ids)).delete()
+                db.commit()
 
                 return True
         except:
diff --git a/backend/apps/webui/models/files.py b/backend/apps/webui/models/files.py
index 58058e907..16272f24a 100644
--- a/backend/apps/webui/models/files.py
+++ b/backend/apps/webui/models/files.py
@@ -104,6 +104,8 @@ class FilesTable:
 
             try:
                 db.query(File).filter_by(id=id).delete()
+                db.commit()
+
                 return True
             except:
                 return False
@@ -114,6 +116,8 @@ class FilesTable:
 
             try:
                 db.query(File).delete()
+                db.commit()
+
                 return True
             except:
                 return False
diff --git a/backend/apps/webui/models/functions.py b/backend/apps/webui/models/functions.py
index cdc1bd334..907576b80 100644
--- a/backend/apps/webui/models/functions.py
+++ b/backend/apps/webui/models/functions.py
@@ -267,9 +267,10 @@ class FunctionsTable:
 
     def delete_function_by_id(self, id: str) -> bool:
         with get_db() as db:
-
             try:
                 db.query(Function).filter_by(id=id).delete()
+                db.commit()
+
                 return True
             except:
                 return False
diff --git a/backend/apps/webui/models/memories.py b/backend/apps/webui/models/memories.py
index 662bbedfe..02d4b6924 100644
--- a/backend/apps/webui/models/memories.py
+++ b/backend/apps/webui/models/memories.py
@@ -115,6 +115,8 @@ class MemoriesTable:
 
             try:
                 db.query(Memory).filter_by(id=id).delete()
+                db.commit()
+
                 return True
 
             except:
@@ -125,6 +127,8 @@ class MemoriesTable:
 
             try:
                 db.query(Memory).filter_by(user_id=user_id).delete()
+                db.commit()
+
                 return True
             except:
                 return False
@@ -134,6 +138,8 @@ class MemoriesTable:
 
             try:
                 db.query(Memory).filter_by(id=id, user_id=user_id).delete()
+                db.commit()
+
                 return True
             except:
                 return False
diff --git a/backend/apps/webui/models/models.py b/backend/apps/webui/models/models.py
index c95c36c7d..0aeac3e24 100644
--- a/backend/apps/webui/models/models.py
+++ b/backend/apps/webui/models/models.py
@@ -176,6 +176,8 @@ class ModelsTable:
             with get_db() as db:
 
                 db.query(Model).filter_by(id=id).delete()
+                db.commit()
+
                 return True
         except:
             return False
diff --git a/backend/apps/webui/models/prompts.py b/backend/apps/webui/models/prompts.py
index 2af2ce22c..b8467b631 100644
--- a/backend/apps/webui/models/prompts.py
+++ b/backend/apps/webui/models/prompts.py
@@ -109,6 +109,8 @@ class PromptsTable:
             with get_db() as db:
 
                 db.query(Prompt).filter_by(command=command).delete()
+                db.commit()
+
                 return True
         except:
             return False
diff --git a/backend/apps/webui/models/tags.py b/backend/apps/webui/models/tags.py
index bbbc95ed2..bb98d3a38 100644
--- a/backend/apps/webui/models/tags.py
+++ b/backend/apps/webui/models/tags.py
@@ -225,6 +225,7 @@ class TagTable:
                 if tag_count == 0:
                     # Remove tag item from Tag col as well
                     db.query(Tag).filter_by(name=tag_name, user_id=user_id).delete()
+                    db.commit()
                 return True
         except Exception as e:
             log.error(f"delete_tag: {e}")
@@ -250,6 +251,7 @@ class TagTable:
                 if tag_count == 0:
                     # Remove tag item from Tag col as well
                     db.query(Tag).filter_by(name=tag_name, user_id=user_id).delete()
+                    db.commit()
 
                 return True
         except Exception as e:
diff --git a/backend/apps/webui/models/tools.py b/backend/apps/webui/models/tools.py
index b3964a9b8..a6fbe120f 100644
--- a/backend/apps/webui/models/tools.py
+++ b/backend/apps/webui/models/tools.py
@@ -201,6 +201,8 @@ class ToolsTable:
         try:
             with get_db() as db:
                 db.query(Tool).filter_by(id=id).delete()
+                db.commit()
+
                 return True
         except:
             return False
diff --git a/backend/apps/webui/routers/functions.py b/backend/apps/webui/routers/functions.py
index f01133a35..eb5216b20 100644
--- a/backend/apps/webui/routers/functions.py
+++ b/backend/apps/webui/routers/functions.py
@@ -233,7 +233,10 @@ async def delete_function_by_id(
 
         # delete the function file
         function_path = os.path.join(FUNCTIONS_DIR, f"{id}.py")
-        os.remove(function_path)
+        try:
+            os.remove(function_path)
+        except:
+            pass
 
     return result